Jacks Creative Sprout Grow Your Own Worm WorldLearn all about the fascinating world of worms with this fun and informative Grow Your Own Worm World kit. Watch as the worms build and change their environment as you feed them leaves and observe through the easy to use kit. Product features Includes 1 plastic wormarium tank, 1 card protector wrap, 2 bags of natural sand, 2 bags of coloured sand, 1 sticker sheet and easy to follow instructions Allows children to easily see inside the worm world See